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Finding the Third Proportional to 55,637,646 and 85,108,620

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Solution

The third proportional to 55,637,646 and 85,108,620 is: 130,190,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,637,646 : 85,108,620 = 85,108,620 : x
  2. Step 2: Convert to fraction form
    55,637,646/85,108,620 = 85,108,620/x
  3. Step 3: Cross multiply
    55,637,646x = 85,108,620 × 85,108,620
  4. Step 4: Simplify right side
    55,637,646x = 7,243,477,198,304,400
  5. Step 5: Solve for x
    x = 7,243,477,198,304,400/55,637,646
  6. Step 6: Final answer
    x = 130,190,216.86

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.